ArticlePlant physiology2010
A suite of Lotus japonicus starch mutants reveals both conserved and novel features of starch metabolism.
Article in Plant physiology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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Who cites it
21 citing papers in PubMed, 60 citations in OpenAlex.
- Peculiar properties of tuber starch in a potato mutant lacking the α-glucan water dikinase 1 genePlant biotechnology (Tokyo, Japan) · 2023Article
- Potential Role ofFrontiers in plant science · 2022Article
- Metabolic flux analysis of the non-transitory starch tradeoff for lipid production in mature tobacco leaves.Metabolic engineering · 2022Article
- A Non-destructive Method to Quantify Leaf Starch Content in Red Clover.Frontiers in plant science · 2020Article
- Mutations in Glucan, Water Dikinase Affect Starch Degradation and Gametophore Development in the Moss Physcomitrella patens.Scientific reports · 2019Article
- Insight Into the Prospects for the Improvement of Seed Starch in Legume-A Review.Frontiers in plant science · 2019Review
- Article
- Suppression of glucan, water dikinase in the endosperm alters wheat grain properties, germination and coleoptile growth.Plant biotechnology journal · 2016Article
- Overexpression of the Starch Phosphorylase-Like Gene (PHO3) in Lotus japonicus has a Profound Effect on the Growth of Plants and Reduction of Transitory Starch Accumulation.Frontiers in plant science · 2016Article
- Phenotypic analyses of rice lse2 and lse3 mutants that exhibit hyperaccumulation of starch in the leaf blades.Rice (New York, N.Y.) · 2014Article
- New starch phenotypes produced by TILLING in barley.PloS one · 2014Article
- Root starch reserves are necessary for vigorous re-growth following cutting back in Lotus japonicus.PloS one · 2014Article
- Autophagy contributes to leaf starch degradation.The Plant cell · 2013Article
- Disruption of a rice gene for α-glucan water dikinase, OsGWD1, leads to hyperaccumulation of starch in leaves but exhibits limited effects on growth.Frontiers in plant science · 2013Article
- Altered starch turnover in the maternal plant has major effects on Arabidopsis fruit growth and seed composition.Plant physiology · 2012Article
- The plant growth promoting substance, lumichrome, mimics starch, and ethylene-associated symbiotic responses in lotus and tomato roots.Frontiers in plant science · 2012Article
- Starch metabolism in Arabidopsis.The arabidopsis book · 2012Article
- High Resolution Melt (HRM) analysis is an efficient tool to genotype EMS mutants in complex crop genomes.Plant methods · 2011Article
- TILLING: a shortcut in functional genomics.Journal of applied genetics · 2011Review
- Article
Corrections and comments
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Authors and funding
11 authors at 5 institutions in 3 countries.
Funding
Abstract
The metabolism of starch is of central importance for many aspects of plant growth and development. Information on leaf starch metabolism other than in Arabidopsis (Arabidopsis thaliana) is scarce. Furthermore, its importance in several agronomically important traits exemplified by legumes remains to be investigated. To address this issue, we have provided detailed information on the genes involved in starch metabolism in Lotus japonicus and have characterized a comprehensive collection of forward and TILLING (for Targeting Induced Local Lesions IN Genomes) reverse genetics mutants affecting five enzymes of starch synthesis and two enzymes of starch degradation. The mutants provide new insights into the structure-function relationships of ADP-glucose pyrophosphorylase and glucan, water dikinase1 in particular. Analyses of the mutant phenotypes indicate that the pathways of leaf starch metabolism in L. japonicus and Arabidopsis are largely conserved. However, the importance of these pathways for plant growth and development differs substantially between the two species. Whereas essentially starchless Arabidopsis plants lacking plastidial phosphoglucomutase grow slowly relative to wild-type plants, the equivalent mutant of L. japonicus grows normally even in a 12-h photoperiod. In contrast, the loss of GLUCAN, WATER DIKINASE1, required for starch degradation, has a far greater effect on plant growth and fertility in L. japonicus than in Arabidopsis. Moreover, we have also identified several mutants likely to be affected in new components or regulators of the pathways of starch metabolism. This suite of mutants provides a substantial new resource for further investigations of the partitioning of carbon and its importance for symbiotic nitrogen fixation, legume seed development, and perenniality and vegetative regrowth.
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